To reduce the probability of fogging up the inside of the windshield, the air intake or air conditioning are controlled automatically according to certain conditions such as position. To cancel or return the defogging logic, do the following.
Kia Niro (DE HEV) Owners Manual: To decrease the crusie control set speed
Follow either of these procedures:
Move the lever down (to SET-), and hold it. Your vehicle set speed will
decrease by 10 km/h (5 mph). Release the lever at the speed you want.
Move the lever down (to SET-), and release it immediately. The cruising
speed will decrease by 1.0 km/h (1.0 ...
Kia Niro 2017 (DE HEV) Service Manual: Troubleshooting
Troubleshooting
Symptom
Suspected area
Engine will not start or hard to start
Vapor hose damaged or disconnected
Engine struggles to start
Malfunction of the Purge Control Solenoid Valve
...